... machine Mainly used for processing charcoal,coal dust, sludge,coke breeze, coking coal,refractory ... SpecificationsBall press/making machine /Rice husk Charcoal powder briquette machineMainly used for processing charcoal,coal dust, sludge,coke breeze, coking ... materialsBall press machine/ball making machineMainly used for processing charcoal,coal dust,coke breeze, coking coal and metallurgical powder ...